6845187066 has 32 divisors (see below), whose sum is σ = 14432698368. Its totient is φ = 2161140720.

The previous prime is 6845187047. The next prime is 6845187073. The reversal of 6845187066 is 6607815486.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 382770 + ... + 400253.

It is an arithmetic number, because the mean of its divisors is an integer number (451021824).

Almost surely, 2^6845187066 is an apocalyptic number.

6845187066 is an abundant number, since it is smaller than the sum of its proper divisors (7587511302).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6845187066 is a wasteful number, since it uses less digits than its factorization.

6845187066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 783106.

The product of its (nonzero) digits is 1935360, while the sum is 51.

The square root of 6845187066 is about 82735.6456794772. The cubic root of 6845187066 is about 1898.7237103658.

The spelling of 6845187066 in words is "six billion, eight hundred forty-five million, one hundred eighty-seven thousand, sixty-six".